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United States Patent | 5,075,812 |
Lee | December 24, 1991 |
A digital audio tape cassette includes post and wedge portions for locking a slider more safely; location guiders for guiding two refraction prisms at designated positions in an upper shell; two pairs of hooks for hooking each other to avoid separation when opening a lid; two springs integrally formed at either side of the brake for easier assmbly; four couplers engaging each other to avoid cutting a magnetic tape; and a fastener assembly for fastening the brake in a nonoperational position before assembly and for defastening the brake from the upper shell in an operational position.
Inventors: | Lee; Jeen-Ju (4th Floor, No. 1, Alley 2, Syh-Wei Lane, Chung-Chen Road, Hsin-Tien City, Taipei Hsien, TW) |
Appl. No.: | 520776 |
Filed: | May 8, 1990 |
Current U.S. Class: | 360/132 |
Intern'l Class: | G11B 023/087 |
Field of Search: | 360/132 242/199 |
4678138 | Jul., 1987 | Nemoto | 360/132. |
4683510 | Jul., 1987 | Meguro | 360/132. |
4733316 | Mar., 1988 | Oishi et al. | 360/132. |
4905113 | Feb., 1990 | Shiba et al. | 360/132. |
4926279 | May., 1990 | Kurashina et al. | 360/132. |
4947276 | Aug., 1990 | Meguro | 360/132. |
4969611 | Nov., 1990 | Katagiri et al. | 360/132. |